MSTY Short Interest (July 31, 2026 Update)
Short interest for MSTY was 2.9M as of July 31, 2026, -22.0% from the prior report.
This page tracks MSTY short interest over time, including historical values, changes between reports, and days to cover.
YieldMax MSTR Option Income St | MSTY | ARCA | Latest report: July 31, 2026
At the latest settlement date of July 31, 2026, YieldMax MSTR Option Income St (MSTY) showed reported short interest of 2,888,911 shares. That compared with 3,703,959 shares in the prior report, a change of -815.0K shares, or -22.0%. The latest reported days to cover was 2.95, based on average daily volume of 979.6K.
The historical data currently tracked for MSTY includes 57 reported entries from February 29, 2024 to July 31, 2026. Over that span, reported short interest has ranged from 10.6K to 46.0M shares.
Extreme edge-case readings may reflect unusually low reported average volume.
| Settlement Date | Short Interest | Prior Short Interest | Change Shares | Change % | Average Daily Volume | Days to Cover |
|---|---|---|---|---|---|---|
| July 31, 2026 | 2,888,911 | 3,703,959 | -815.0K | -22.0% | 979.6K | 2.95 |
| July 15, 2026 | 3,703,959 | 3,309,962 | 394.0K | +11.9% | 1.1M | 3.26 |
| June 30, 2026 | 3,309,962 | 3,186,078 | 123.9K | +3.9% | 1.9M | 1.77 |
| June 15, 2026 | 3,186,078 | 2,583,093 | 603.0K | +23.3% | 1.8M | 1.77 |
| May 29, 2026 | 2,583,093 | 5,557,315 | -3.0M | -53.5% | 1.8M | 1.41 |
| May 15, 2026 | 5,557,315 | 4,660,199 | 897.1K | +19.2% | 1.9M | 2.86 |
| April 30, 2026 | 4,660,199 | 3,631,330 | 1.0M | +28.3% | 1.9M | 2.48 |
| April 15, 2026 | 3,631,330 | 3,270,088 | 361.2K | +11.1% | 1.2M | 2.93 |
| March 31, 2026 | 3,270,088 | 3,951,960 | -681.9K | -17.3% | 1.1M | 2.95 |
| March 13, 2026 | 3,951,960 | 4,459,193 | -507.2K | -11.4% | 691.0K | 5.72 |
| February 27, 2026 | 4,459,193 | 4,042,953 | 416.2K | +10.3% | 712.8K | 6.26 |
| February 13, 2026 | 4,042,953 | 3,823,557 | 219.4K | +5.7% | 2.1M | 1.95 |
| January 30, 2026 | 3,823,557 | 5,048,227 | -1.2M | -24.3% | 1.7M | 2.27 |
| January 15, 2026 | 5,048,227 | 5,284,135 | -235.9K | -4.5% | 1.4M | 3.66 |
| December 31, 2025 | 5,284,135 | 4,593,608 | 690.5K | +15.0% | 1.5M | 3.51 |
| December 15, 2025 | 4,593,608 | 21,195,964 | -16.6M | -78.3% | 2.6M | 1.74 |
| November 28, 2025 | 21,195,964 | 23,530,125 | -2.3M | -9.9% | 11.7M | 1.81 |
| November 14, 2025 | 23,530,125 | 31,201,734 | -7.7M | -24.6% | 11.4M | 2.06 |
| October 31, 2025 | 31,201,734 | 35,343,150 | -4.1M | -11.7% | 10.1M | 3.09 |
| October 15, 2025 | 35,343,150 | 36,159,866 | -816.7K | -2.3% | 8.5M | 4.18 |
| September 15, 2025 | 34,122,588 | 37,781,230 | -3.7M | -9.7% | 8.3M | 4.09 |
| August 29, 2025 | 37,781,230 | 39,104,974 | -1.3M | -3.4% | 10.5M | 3.61 |
| August 15, 2025 | 39,104,974 | 37,684,476 | 1.4M | +3.8% | 11.2M | 3.48 |
| July 31, 2025 | 37,684,476 | 38,518,597 | -834.1K | -2.2% | 12.3M | 3.06 |
| July 15, 2025 | 38,518,597 | 46,044,914 | -7.5M | -16.3% | 11.8M | 3.26 |
| June 30, 2025 | 46,044,914 | 40,822,502 | 5.2M | +12.8% | 8.4M | 5.47 |
| June 13, 2025 | 40,822,502 | 43,639,507 | -2.8M | -6.5% | 11.9M | 3.44 |
| May 30, 2025 | 43,639,507 | 29,846,953 | 13.8M | +46.2% | 11.4M | 3.84 |
| May 15, 2025 | 29,846,953 | 24,059,930 | 5.8M | +24.1% | 11.7M | 2.56 |
| April 30, 2025 | 24,059,930 | 16,161,343 | 7.9M | +48.9% | 6.3M | 3.82 |
| April 15, 2025 | 16,161,343 | 18,799,448 | -2.6M | -14.0% | 8.0M | 2.02 |
| March 31, 2025 | 18,799,448 | 18,423,676 | 375.8K | +2.0% | 4.3M | 4.38 |
| February 28, 2025 | 15,717,247 | 16,757,110 | -1.0M | -6.2% | 7.7M | 2.05 |
| February 14, 2025 | 16,757,110 | 13,595,539 | 3.2M | +23.3% | 6.2M | 2.7 |
| January 31, 2025 | 13,595,539 | 3,972,359 | 9.6M | +242.3% | 4.7M | 2.88 |
| January 15, 2025 | 3,972,359 | 2,746,530 | 1.2M | +44.6% | 4.2M | 1 |
| December 31, 2024 | 2,746,530 | 1,423,843 | 1.3M | +92.9% | 4.7M | 1 |
| December 13, 2024 | 1,423,843 | 2,624,847 | -1.2M | -45.8% | 2.6M | 1 |
| November 29, 2024 | 2,624,847 | 2,308,473 | 316.4K | +13.7% | 5.1M | 1 |
| November 15, 2024 | 2,308,473 | 238,966 | 2.1M | +866.0% | 2.6M | 1 |
| October 31, 2024 | 238,966 | 206,307 | 32.7K | +15.8% | 2.2M | 1 |
| October 15, 2024 | 206,307 | 161,864 | 44.4K | +27.5% | 1.0M | 1 |
| September 30, 2024 | 161,864 | 212,708 | -50.8K | -23.9% | 799.1K | 1 |
| September 13, 2024 | 212,708 | 157,212 | 55.5K | +35.3% | 1.1M | 1 |
| August 30, 2024 | 157,212 | 140,840 | 16.4K | +11.6% | 820.1K | 1 |
| August 15, 2024 | 140,840 | 187,508 | -46.7K | -24.9% | 1.3M | 1 |
| July 31, 2024 | 187,508 | 408,554 | -221.0K | -54.1% | 663.9K | 1 |
| July 15, 2024 | 408,554 | 74,861 | 333.7K | +445.8% | 1.1M | 1 |
| June 28, 2024 | 74,861 | 248,036 | -173.2K | -69.8% | 726.6K | 1 |
| June 14, 2024 | 248,036 | 85,752 | 162.3K | +189.2% | 768.6K | 1 |
| May 31, 2024 | 85,752 | 109,449 | -23.7K | -21.7% | 273.8K | 1 |
| May 15, 2024 | 109,449 | 42,988 | 66.5K | +154.6% | 261.9K | 1 |
| April 30, 2024 | 42,988 | 10,587 | 32.4K | +306.0% | 257.1K | 1 |
| April 15, 2024 | 10,587 | 48,981 | -38.4K | -78.4% | 323.3K | 1 |
| March 28, 2024 | 48,981 | 51,953 | -3.0K | -5.7% | 166.3K | 1 |
| March 15, 2024 | 51,953 | 12,412 | 39.5K | +318.6% | 132.7K | 1 |
| February 29, 2024 | 12,412 | 0 | 12.4K | +100.0% | 56.2K | 1 |